diff --git a/.github/workflows/sanity-check.yml b/.github/workflows/sanity-check.yml
new file mode 100644
index 0000000..c38281b
--- /dev/null
+++ b/.github/workflows/sanity-check.yml
@@ -0,0 +1,22 @@
+name: PR Sanity Check
+
+on: 
+
+jobs:
+  lint:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Packages
+        run: |
+          npm install
+
+      - name: Lint check
+        run: |
+          npm run lint
+
+      - name: Lint check
+        run: |
+          npm run test
diff --git a/eslint.config.mjs b/eslint.config.mjs
index b32b314..cd28111 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -14,6 +14,7 @@ export default defineConfig([
     rules: {
        "prefer-const": "error",
        "no-unused-vars": "error",
+       "no-console": "error",
        "semi": "error",
     },
   },
diff --git a/src/sum.test.js b/src/sum.test.js
index 1d4044a..72f0f84 100644
--- a/src/sum.test.js
+++ b/src/sum.test.js
@@ -2,6 +2,6 @@ import { sum } from './sum';
 
 describe('sum', () => {
   it('return sum of two numbers', () => {
-    expect(sum(2, 3)).toEqual(5);
+    expect(sum(2, 3)).toEqual(6);
   });
 });